Example usage for android.database Cursor getCount

Introduction

In this page you can find the example usage for android.database Cursor getCount.

Prototype

int getCount();

Source Link

Document

Returns the numbers of rows in the cursor.

Usage

From source file:Main.java

/**
 * //  www .j  ava  2s.c  o m
 * @param context
 * @param uri
 *            uri of SCHEME_FILE or SCHEME_CONTENT
 * @return image path; uri will be changed to SCHEME_FILE
 */
public static String uriToImagePath(Context context, Uri uri) {
    if (context == null || uri == null) {
        return null;
    }

    String imagePath = null;
    String uriString = uri.toString();
    String uriSchema = uri.getScheme();
    if (uriSchema.equals(ContentResolver.SCHEME_FILE)) {
        imagePath = uriString.substring("file://".length());
    } else {// uriSchema.equals(ContentResolver.SCHEME_CONTENT)
        ContentResolver resolver = context.getContentResolver();
        Cursor cursor = resolver.query(uri, null, null, null, null);
        if (cursor.getCount() == 0) {
            Log.e(TAG, "Uri(" + uri.toString() + ") not found!");
            return null;
        }
        cursor.moveToFirst();
        imagePath = cursor.getString(1);
        // Change the SCHEME_CONTENT uri to the SCHEME_FILE.
        uri = Uri.fromFile(new File(imagePath));
    }
    Log.v(TAG, "Final uri: " + uri.toString());
    return imagePath;
}

From source file:Main.java

private static String[] convertCursorAsStringArrayWithCloseCursor(Cursor cursor, int colIdx) {
    String[] result = null;//from   w w w . j ava 2s  .  co  m
    try {
        int resultCount = cursor.getCount();
        if (resultCount > 0) {
            HashSet<String> phones = new HashSet<String>(resultCount);
            while (cursor.moveToNext()) {
                String phone = cursor.getString(0);
                phones.add(phone);
            }
            result = phones.toArray(new String[phones.size()]);
        }
        Log.d(TAG,
                "ConvertCursor As StringArray : found " + resultCount + " String converted from idx " + colIdx);
    } finally {
        cursor.close();
    }
    return result;
}

From source file:com.example.facebookfriendviewer.utils.Utils.java

public static boolean cursorEmpty(Cursor cursor) {
    return cursor.getCount() < 1;
}

From source file:Main.java

public static List<String> displayContacts(ContentResolver contentResolver) {

    List<String> contacts = new ArrayList<String>();
    ContentResolver cr = contentResolver;
    Cursor cur = cr.query(ContactsContract.Contacts.CONTENT_URI, null, null, null, null);
    if (cur.getCount() > 0) {
        while (cur.moveToNext()) {
            String id = cur.getString(cur.getColumnIndex(ContactsContract.Contacts._ID));
            String name = cur.getString(cur.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME));
            if (Integer.parseInt(
                    cur.getString(cur.getColumnIndex(ContactsContract.Contacts.HAS_PHONE_NUMBER))) > 0) {
                Cursor pCur = cr.query(ContactsContract.CommonDataKinds.Phone.CONTENT_URI, null,
                        ContactsContract.CommonDataKinds.Phone.CONTACT_ID + " = ?", new String[] { id }, null);
                while (pCur.moveToNext()) {
                    String phoneNo = pCur
                            .getString(pCur.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER));
                    // Toast.makeText(this, "Name: " + name + ", Phone No: " + phoneNo, Toast.LENGTH_SHORT).show();
                    contacts.add(name + " : " + phoneNo);
                }//from ww w.j  a va 2 s .  c  o  m
                pCur.close();
            }
        }
    }
    return contacts;
}

From source file:Main.java

public static boolean hasContact(Context mContext, String contact) {
    ContentResolver cr = mContext.getContentResolver();
    Cursor cur = cr.query(ContactsContract.Contacts.CONTENT_URI, null, null, null, null);
    if (cur.getCount() > 0) {
        while (cur.moveToNext()) {
            String id = cur.getString(cur.getColumnIndex(ContactsContract.Contacts._ID));
            String name = cur.getString(cur.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME));
            if (Integer.parseInt(
                    cur.getString(cur.getColumnIndex(ContactsContract.Contacts.HAS_PHONE_NUMBER))) > 0) {
                Cursor pCur = cr.query(ContactsContract.CommonDataKinds.Phone.CONTENT_URI, null,
                        ContactsContract.CommonDataKinds.Phone.CONTACT_ID + " = ?", new String[] { id }, null);
                while (pCur.moveToNext()) {
                    String phoneNo = pCur
                            .getString(pCur.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER));
                    if (phoneNo.contains(contact) || contact.contains(phoneNo)) {
                        return true;
                    }/*  w w  w .ja  v  a 2 s.  c om*/
                }
                pCur.close();
            }
        }
    }
    return false;
}

From source file:Main.java

public static float getFloatFromCursor(Cursor cursor, String columnName) {
    float value = -1;
    if (cursor != null && cursor.getPosition() >= 0 && cursor.getPosition() < cursor.getCount()) {
        int columnIndex = cursor.getColumnIndex(columnName);
        if (columnIndex >= 0) {
            value = cursor.getFloat(columnIndex);
        }//  ww  w.j a v a 2s  . c om
    }
    return value;
}

From source file:Main.java

public static boolean isShortCutExist(Context context) {
    boolean isExist = false;
    int version = android.os.Build.VERSION.SDK_INT;
    Uri uri = null;/*from w  w w. j  a  v a2 s. co m*/
    if (version < 2.0) {
        uri = Uri.parse("content://com.android.launcher.settings/favorites");
    } else {
        uri = Uri.parse("content://com.android.launcher2.settings/favorites");
    }
    String selection = " title = ?";
    String[] selectionArgs = new String[] { "YouTube" };
    Cursor c = context.getContentResolver().query(uri, null, selection, selectionArgs, null);

    if (c != null && c.getCount() > 0) {
        isExist = true;
    }

    if (c != null) {
        c.close();
    }

    return isExist;
}

From source file:Main.java

public static HashSet<String> getUserContacts(ContentResolver cr) {
    HashSet<String> contactsList = new HashSet<String>();
    //ContentResolver cr = getContentResolver();
    Cursor cur = cr.query(ContactsContract.Contacts.CONTENT_URI, null, null, null, null);
    if (cur.getCount() > 0) {
        while (cur.moveToNext()) {
            String id = cur.getString(cur.getColumnIndex(ContactsContract.Contacts._ID));
            // We could store names and numbers in a dictionary if we ever needed that
            // String name = cur.getString(cur.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME));
            if (Integer.parseInt(
                    cur.getString(cur.getColumnIndex(ContactsContract.Contacts.HAS_PHONE_NUMBER))) > 0) {
                Cursor pCur = cr.query(ContactsContract.CommonDataKinds.Phone.CONTENT_URI, null,
                        ContactsContract.CommonDataKinds.Phone.CONTACT_ID + " = ?", new String[] { id }, null);
                while (pCur.moveToNext()) {
                    String phoneNo = pCur
                            .getString(pCur.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER));
                    // If the number stored isn't long enough to be in our database then don't bother.
                    if (phoneNo.length() >= 10) {
                        // Use regex to remove '+', spaces, '(', and ')' and '-' form user contacts to match database format
                        String formattedPhoneNo = phoneNo.replaceAll(DELIMITERS, "");
                        // Remove the '1' in front of the number
                        if (formattedPhoneNo.charAt(0) == '1') {
                            formattedPhoneNo = formattedPhoneNo.substring(1);
                        }/*from ww  w  . j a  va  2  s. co m*/
                        contactsList.add(formattedPhoneNo);
                    }
                }
                pCur.close();
            }
        }
    }
    return contactsList;
}

From source file:Main.java

static public void dumpCursor(Cursor cursor) {
    final String LOG_TAG = "dumpCursor";
    if (cursor != null) {
        Log.d(LOG_TAG, "cursor " + cursor.getCount());
        for (int i = 0; i < cursor.getColumnCount(); i++)
            Log.d(LOG_TAG, "col " + i + " " + cursor.getColumnName(i));

        cursor.moveToFirst();/*from w ww .j  a v a 2s  . c  om*/
        String[] a = new String[cursor.getColumnCount()];
        while (!cursor.isAfterLast()) {
            for (int i = 0; i < a.length; i++)
                a[i] = cursor.getString(i);
            Log.d(LOG_TAG, Arrays.toString(a));
            cursor.moveToNext();
        }

        cursor.moveToFirst();
    }
}

From source file:Main.java

public static LinkedList<String> retrieveStringFromCursor(Cursor cursor, String columnName) {
    LinkedList<String> result = new LinkedList<String>();

    if (null == cursor || 0 == cursor.getCount()) {
        return result;
    }//w  w w.ja  v  a  2s .co  m

    try {
        for (cursor.moveToFirst(); !cursor.isAfterLast(); cursor.moveToNext()) {
            String str = cursor.getString(cursor.getColumnIndexOrThrow(columnName));
            result.add(str);
        }
    } catch (Exception e) {
        //do nothing.
    } finally {
        cursor.close();
    }

    return result;
}